18090450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{5743}}^1$

素因数の和:5768

約数の個数: 72

約数和(自身を含む): 55555968

約数和(自身を除く): 37465518

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 5743, 11486, 17229, 28715, 34458, 40201, 51687, 57430, 80402, 86145, 103374, 120603, 143575, 172290, 201005, 241206, 258435, 287150, 361809, 402010, 430725, 516870, 603015, 723618, 861450, 1005025, 1206030, 1292175, 1809045, 2010050, 2584350, 3015075, 3618090, 6030150, 9045225, 18090450]

約数ペア:

[(1, 18090450), (2, 9045225), (3, 6030150), (5, 3618090), (6, 3015075), (7, 2584350), (9, 2010050), (10, 1809045), (14, 1292175), (15, 1206030), (18, 1005025), (21, 861450), (25, 723618), (30, 603015), (35, 516870), (42, 430725), (45, 402010), (50, 361809), (63, 287150), (70, 258435), (75, 241206), (90, 201005), (105, 172290), (126, 143575), (150, 120603), (175, 103374), (210, 86145), (225, 80402), (315, 57430), (350, 51687), (450, 40201), (525, 34458), (630, 28715), (1050, 17229), (1575, 11486), (3150, 5743)]